The heat in the palms before menstruation may be due to the physiological state before menstruation exacerbated by the state of yin deficiency and fire (deficiency of yin and essence in the body, resulting in hyperactive deficiency and fire), or it may be that there is a situation of liver depression and stagnation of qi (poor transport of qi and blood in the liver and depression of emotions and moods) or dampness and heat in the spleen and stomach (the spleen and stomach feel the dampness and heat of the evil qi), which has nothing to do with the menstruation period. 1. Yin deficiency and exuberant fire: For women who have a deficiency of Yin and blood in their bodies, there is already a deficiency of Yin fluid, and during menstruation, the blood converges downward in the uterus, which will aggravate the deficiency of Yin fluid, and the deficiency of Yin can not constrain the exuberant yang, so there will be Yin deficiency and exuberant fire, and when the deficiency of fire is born within the body (the deficiency of Yin in the body leads to the production of fire-heat evil qi), the manifestations such as heat in the hands and feet and the heart, hot flashes, dry mouth, and dried and knotty bowel movements will occur. 2. Liver depression and stagnation of qi: due to emotional and emotional reasons such as liver depression and stagnation of qi, qi stagnation, depression and heat (evil qi for too long to stay is transformed into heat), internal heat congestion, there will be a fever in the palms of the hands and feet, hot flashes, dry mouth and thirst, chest and ribs (chest and ribs area collectively), distension and pain and other manifestations. 3. Dampness and heat in the spleen and stomach: due to uncontrolled diet, over-eating fat, sweet, thick and greasy, resulting in internal dampness and heat, dampness and heat in the internal fumigation will also appear in the palms of the hands, abdominal distension, tightness in the chest and epigastric plumpness, bitter mouth, vomiting and other manifestations. If you have the above symptoms, it is recommended to consult a regular hospital, by a professional doctor for diagnosis and treatment.